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Graco Pneumatic PR70, Инструкция по эксплуатации

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Startup 

10

313937A

Startup

1.

Go through the Pre-Operation Checklist in the fol-
lowing table.

2.

Slide the system air pressure relief switch (106) up. 
It is the yellow tab at the left, rear of the machine. 
The hole in the tab should not be showing.

See startup instructions and related warnings in sup-
plied manuals. See Related Manuals on page 2.

✔

Checklist

System Grounded

Verify all grounding connections were made. See 
Grounding, page 6.

All connections are tight and correct

Verify all fluid, air, and system connections are 
tight and installed according to the supplied sche-
matics.

Air supply valves are open

Verify all Incoming Air Ball Valves are open.

Fluid supply valves are open

Verify all Fluid Line Ball Valves are open.

Содержание Pneumatic PR70

Страница 1: ...nsing of two component materials SN8050 3000 psi 21 MPa 207 bar Maximum Working Pressure 100 psi 0 7 MPa 7 bar Maximum Air Inlet Pressure Important Safety Instructions Read all warnings and instructions in all sup plied manuals Save these instructions Dispense Valve not shown ...

Страница 2: ...chedule 17 Clean the Pump Shafts 17 Disassemble and Clean the Dispense Head 17 Troubleshooting 18 Repair 20 HydraCheck Kit Installation 20 Air Cylinder Kit Installation 22 Rear Pump Rebuild Kit Installation 24 Piston Cylinder Replacement Kit Installation 26 Check Valve Rebuild Kit Installation 27 Piston Plug Installation 28 Kits 29 Dimensions 31 Technical Data 33 Graco Ohio Standard Warranty 34 Gr...

Страница 3: ...pense nozzle Do not stop or deflect leaks with your hand body glove or rag Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDS s to know the specific hazards of the fluids you are...

Страница 4: ...est rated system component See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS forms from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately...

Страница 5: ...101 Key 101 Tanks 102 System Air Pressure Regulator 103 System Air Pressure Relief Switch 104 Water Separator 105 Air Inlet 106 Shield Locking Screws 107 Machine Shield 108 Agitator 109 Tank Stand 110 Footswitch 108 110 103 108 101 102 110 105 104 103 106 106 101 107 ...

Страница 6: ...ot in lug and tighten the locknut securely Connect the other end of the wire to a true earth ground Order part 237569 Ground Wire and Clamp Air and fluid hoses use only electrically conductive hoses Air compressor follow manufacturer s recommenda tions Fluid supply container follow your local code Object being sprayed follow your local code Solvent pails used when flushing follow local code use on...

Страница 7: ...Grounding 313937A 7 FIG 2 Grounding Illustration Ground Each Tank to Base Use Conductive Hoses to Ground Dispense Valve Ground Footswitch to Base A ...

Страница 8: ...hield 4 Attach the frame to the selected location by install ing fasteners not provided with unit through the four mounting holes See FIG 3 Connect Pressurized Air Input 5 Connect a compressed airline to the air inlet 109 in the back of the machine Avoid contact with electrical inter connects when connecting electric power to the machine Avoid con tact with Krytox on the pump shaft PE tank lid and...

Страница 9: ...venience some on site reas sembly may be required Checklist System Grounded Verify all grounding connections were made See Grounding page 6 All connections are tight and correct Verify all fluid air and system connections are tight and installed according to the supplied sche matics Air supply valves are open Verify all Incoming Air Ball Valves are open Fluid supply valves are open Verify all Flui...

Страница 10: ...ructions and related warnings in sup plied manuals See Related Manuals on page 2 Checklist System Grounded Verify all grounding connections were made See Grounding page 6 All connections are tight and correct Verify all fluid air and system connections are tight and installed according to the supplied sche matics Air supply valves are open Verify all Incoming Air Ball Valves are open Fluid supply ...

Страница 11: ...knob that secures the dispense valve proximity switch 3 Move the dispense valve proximity switch pointer all the way to the right and initiate a machine cycle 4 Slowly increase air pressure until the air cylinder moves forward and stalls Do not exceed 30 psi 5 Return pressure to 0 psi 6 Slide the dispense valve proximity switch pointer back to the left until the switch is tripped and air is heard ...

Страница 12: ...de to RETRACT Machine will stop in retracted position Prime the Dispense Head 1 Remove static mixer from the dispense head 102 if installed 2 Turn snuff back adjustment knob 103 fully clock wise This will prevent the dispense valve from clos ing between priming shots 3 Use a 4 mm hex key to loosen the screws 102a holding the dispense head in place 4 Rotate dispense head 102 so the tip is above the...

Страница 13: ...e machine executes a shot materials from Tank A and Tank B enter the static mixer where they are mixed and then dispensed In order for the materials to mix at the desired ratio both materials must enter the static mixer at the same time The timing of the materials entering the static mixer is dependent on the adjustment of the phase adjustment screw for each piston Prepare Machine 1 Place a waste ...

Страница 14: ... turn the piston shaft 301 counterclockwise 1 4 turn or less to move the A piston forward 10 Hold piston shaft 301 and phase adjustment screw 303 in place with a 7 mm and 13 mm wrench and tighten locking nut 302 against phase adjustment screw with a 13 mm wrench 11 Watch the dispense valve carefully to observe which material is dispensed first Press the device to dis pense material If one material...

Страница 15: ...rease snuff back If material is hanging from tip of mixer turn knob counterclockwise to increase snuff back 6 Repeat step 5 until snuff back is adjusted as desired Ratio Check 1 Remove mixer and shroud 2 Cycle the machine several times into a waste con tainer to clear and prime 3 Weight six small empty cups and label as indicated 4 Set the Stroke Adjust switch See the Adjusting the Shot Size secti...

Страница 16: ...ecessary run a lock through the hole to lock the tab in place This prevents the system air pressure from being inadvertently enabled Shutdown If the machine is to remain idle for an extended period of time perform the following steps 1 Place a waste container below the dispense valve 2 If installed remove static mixer from the end of the dispense valve 3 Place a container below the dispense valve ...

Страница 17: ...this manual 4 Clean all parts 5 Lubricate all parts with a thin coat of mesamoll or silicon oil 6 Reassemble dispense head See manual 312185 for details 7 Reinstall dispense head on machine Action Schedule Procedure Check Water Air Separator Daily before use 1 Check water air separator for water 2 Open valve at base of water air separator to purge water Check Tanks Daily before use 1 Check materia...

Страница 18: ...tall the check valve Pumps not cycling at all or pumps not completely cycling Air circuit failure See Logic Circuit troubleshooting Pumps drawing material back down from hose Check valve stuck open Remove check valve and clean or replace Material continues to flow stop dis pense stroke or air bubble apparent at some part of the dispense stroke each time Air in hose Hose not primed cor rectly Incli...

Страница 19: ...rt If not starting device is faulty 4 way air cylinder directional control valve needs servicing or replace ment If main input air signal comes from the starting device then the 4 way control valve is not changing over Remove and service Ask for Tech nical Service Main signal not coming from rear air cylinder pilot valve Check main air input to this valve If ok then air cylinder valve is suspect a...

Страница 20: ...mbly with the groove for the snap ring on the back of the pump assembly The shock absorber can be inserted through the front or the back of the pump sub assembly 6 Install shock snap ring included with shock not shown onto the shock absorber in the groove far thest from the pump sub assembly 7 Install set screw and torque to 85 in lb 9 6 N m FIG 6 HydraCheck Installation Fixed Ratio Base 100d 100b...

Страница 21: ...ntacts the shock absorber 11 Hold the adjustment cap 100d in place and tighten the hex nut 100b against the adjustment cap Prepare Machine for Operation 12 Lift the system air pressure relief switch to enable system pressure It is the yellow tab at the left rear of the machine Adjust Shock Resistance 13 Execute a shot to see how the shock absorber affects the speed of the drive block 14 The shock ...

Страница 22: ... by removing the three socket head cap screws 402 8 Use an open end wrench to remove all hex nuts 103 100b 100d connecting the piston rod to the drive block 9 Remove the four screws 108 that attach the cylin der rod end block 417 to the frame Access the screws through the four holes in the blind end block 418 using a long allen wrench 416 411 418 404 414 415 409 410 412 414 402 407 412 422 415 413...

Страница 23: ... lubricant grease part 115982 to the inside of the tube 416 the outside of the piston 419 all the o rings and the cylinder rod 420 Re Assemble the Air Cylinder 21 Reinstall the four long screws 404 that attach the two drive blocks 417 418 and torque to 350 in lb 39 5 N m 22 Insert the cylinder rod 420 through the hole in the rod end cylinder block 417 and base frame 23 Before the cylinder is compl...

Страница 24: ... 16 3 Shut down the machine See Shutdown page 16 4 Disconnect the pressurized air input hose 5 Remove shroud screws 6 Remove the shroud 107 The pump shaft is installed with Krytox Contact with Krytox can lead to flu like symptoms The MSDS for this material is available upon request See Kits on page 29 for kit numbers FIG 7 506 513 514 508 507 511 501 504 512 503 510 502 509 505 Torque to 350 in lb...

Страница 25: ...tall the new rebuild kit components into the bear ing housing 16 Apply one layer of thin masking tape over the male threads of the pump shaft that mates with the drive block This will prevent the threads from damaging the seal 503 17 Slide the pump shaft through the hole in the bearing housing 18 Align the bearing housing in position next to the pump housing 19 Install the pump collar over the bea...

Страница 26: ...screw 605 9 Remove the piston 602 and any front or rear washers 603 from the pump shaft 511 10 Clean the washers Install Cylinder 11 Install the new piston and any front or rear washers 12 Install the piston screw 605 13 Fully retract the piston 14 Lubricate the new o rings with high temperature grease part 115982 15 Insert the lubricated o rings 606 into the grooves of the pump housing 507 and en...

Страница 27: ...2104 on top of the check valve ball 2101 with the outside chamfered side of the seat facing away from the check valve ball 12 Hold both ends of the assembled check valve assembly and install the check valve into the unthreaded end of the check valve housing 513 with the ball end facing out 13 Apply pressure to the valve to snugly fit the assem bled check valve 514 into the check valve housing 513 ...

Страница 28: ...ief Procedure on page 16 3 To prevent machine movement set Pump Mode switch to RETRACT 4 Use a wrench to remove the existing piston plug 1801 from the pump end cap 508 5 Remove the existing o ring 1802 6 Lubricate the new o ring with a high temperature grease part 115982 and install the lubricated o ring into the end cap 7 Install pump plug 1801 into end cap 8 Open the tank ball valves if installe...

Страница 29: ...C0086 Mixer 3 8 in 9 8 mm x 24 250 Mixers LC0087 Mixer 3 8 in 9 8 mm x 36 250 Mixers LC0088 Mixer 3 8 in 9 8 mm combo 250 Mixers LC0089 Mixer 3 16 in 4 8 mm x 32 Luer Lock 250 Mixers LC0090 Mixer 1 4 in 6 5 mm x 24 Luer Lock 250 Mixers See MD2 Dispense Valve instruction manual refer enced at the beginning of this manual for installa tion instructions or for more information Part Description 255217...

Страница 30: ...install on the base or lid of a 7 5 L 30 L or 60 L tank External Control Interface Connection Kit Part Description 256205 Vacuum Kit Single On Board Tank 256206 Vacuum Kit Two On Board Tanks 256207 Vacuum Kit Single Off Board Tank 256208 Vacuum Kit Two Off Board Tanks Part Description 256659 Refill Kit 1 4 npt solenoid 24V 256660 Refill Kit 1 2 npt solenoid 24V 256577 Tank Refill Kit Assembly 2562...

Страница 31: ...gitators No Agitators With Agitators A 75 7 1923 73 9 1877 64 9 1648 84 7 2151 B 32 1 815 32 1 815 32 1 815 32 1 815 C 29 3 236 29 3 236 29 3 236 29 3 236 D 16 0 406 16 0 406 16 0 406 16 0 406 Ref Assembly Dimensions in mm 30 L Tank 60 L Tank No Agitators With Agitators No Agitators With Agitators A 75 7 1923 73 9 1877 64 9 1648 84 7 2151 B 32 1 815 32 1 815 32 1 815 32 1 815 C 40 1 1019 40 1 1019...

Страница 32: ...Dimensions 32 313937A ...

Страница 33: ...psi 20 7 MPa 207 bar Maximum Air Input Pressure 100 psi 0 7 MPa 7 bar Maximum Cycle Rate 30 cpm Maximum Operating Temperature 70 C 160 F nylon pistons 50 C 120 F UHMWPE pis tons or PE Tanks Air Inlet Size 1 4 NPT female Pump Fluid Outlet Size 03 04 06 08 or 12 JIC fittings for 3 16 in 4 8 mm 1 4 in 6 4 mm 3 8 in 9 5 mm 1 2 in 12 7 mm 3 4 in 19 1 mm hoses Wetted Parts 303 304 17 4 PH hard chrome Ch...

Страница 34: ...remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ...

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